support binding [form] data directly (#1996)

- ability to bind [form] data directly inside `<activiti-form>` component
- ability to parse forms with FormService
- demo of the custom form in demo shell

demo-shell-ng2/app/components/form/form-demo.component.ts

@@ -0,0 +1,46 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Component, OnInit } from '@angular/core';
+import { FormModel, FormService } from 'ng2-activiti-form';
+import { DemoForm } from './demo-form';
+
+@Component({
+    selector: 'form-demo',
+    templateUrl: 'form-demo.component.html',
+    styleUrls: [
+        'form-demo.component.css'
+    ]
+})
+export class FormDemoComponent implements OnInit {
+
+    form: FormModel;
+
+    constructor(private formService: FormService) {
+        formService.executeOutcome.subscribe(e => {
+            e.preventDefault();
+            console.log(e.outcome);
+        });
+    }
+
+    ngOnInit() {
+        let formDefinitionJSON: any = DemoForm.getDefinition();
+        let form = this.formService.parseForm(formDefinitionJSON);
+        console.log(form);
+        this.form = form;
+    }
+}